solaris
linux libc5
*/
-#if defined(NEED_RQUOTA) || (defined(sun) && defined(__svr4__)) || \
-(defined(__GNU_LIBRARY__) && __GNU_LIBRARY__ < 6)
+#if defined(NEED_RQUOTA) || defined(SOLARIS) || (defined(__GNU_LIBRARY__) && __GNU_LIBRARY__ < 6)
#ifndef u_int
#define u_int unsigned